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Wyświetlanie 1-5 z 5
Tytuł:
Deformation analysis in central west Bulgaria using triangulation and GPS data
Autorzy:
Dimitrov, Nikolay
Powiązania:
https://bibliotekanauki.pl/articles/106859.pdf
Data publikacji:
2019
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
deformation analysis
GNSS
triangulation
active tectonics
analiza deformacji
triangulacja
tektonika
Opis:
The article discusses a method applied for combining the results of Global Navigation Satellite Systems (GNSS) and 75-year old triangulation measurements to estimate the crustal movements in central western Bulgaria region. It was examined for joint analysis based on the results of GNSS with angular measurements of the first order triangulation network in Bulgaria during the period 1923–1930 year. As a result of the processing of GNSS and angular measurements, horizontal velocities of 15 points, strain rates, and rotation rates have been obtained. The results show dominating N–S extension at a rate of 1–2 mm/y and the deformation is not uniformly distributed over the studied area. The obtained results indicate the possibility of using old angular measurement of first-order triangulation points, together with GNSS data, to obtain estimates of the horizontal crustal movements.
Źródło:
Reports on Geodesy and Geoinformatics; 2019, 108; 23-26
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concepts for geodynamics of the Balkan Peninsula in Serbia and Montenegro
Autorzy:
Dragasevic, T.
Dragasevic, S.
Powiązania:
https://bibliotekanauki.pl/articles/225011.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
geodynamika
tektonika
Serbia
Czarnogóra
Półwysep Bałkański
geodynamics
tectonics
Montenegro
Balkan Peninsula
Źródło:
Reports on Geodesy; 2006, z. 5/80; 472-476
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geodesy, tectonics and geodynamics of Dinnarides
Autorzy:
Medak, D.
Pribicevic, B.
Prelogovic, E.
Powiązania:
https://bibliotekanauki.pl/articles/224512.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
geodynamika
tektonika
pozycjonowanie satelitarne
GPS
system pozycjonowania obiektów
pomiary geodezyjne
CEGRN
Chorwacja
geodynamics
tectonics
satellite positioning
geodetic measurements
Croatia
Opis:
This paper summarises recent aetivities on merging the geodetic, geologic and neotectonic evidence of geodynamics in Croatian part of Dinnarides. The area of the City of Zagreb, which is the boundary zone of Eastern Alps, Dinnarides and Pannonian Basin is incIuded as well. It is shown here that the evidence for fractures of Eastern Adriatic differs from the previous hypotheses. This concIusion is derived from the results of various geodetic measurements: satellite positioning (GPS), astro-geodetic measurements of detlections of the vertical. These results are combined with geologic measurements and results of seismic activity studies in order to give more detailed and more accurate picture of the current situation in the tectonically very active region of Dinnarides. Several GPS-campaigns performed in the City of Zagreb area are examined as well. Due to the proximity of Croatian capitol, special attention has been paid to the effects of possible hazard on construction code.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 85-90
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geology, tectonics, geodesy and geodynamics of Croatia
Autorzy:
Medak, D.
Pribičević, B.
Prelogović, E.
Powiązania:
https://bibliotekanauki.pl/articles/225457.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
geologia
tektonika
geodezja
geodynamika
aktywność tektoniczna
budownictwo
Chorwacja
Półwysep Bałkański
geology
tectonics
geodesy
geodynamics
tectonic activity
architecture
Croatia
Balkan Peninsula
Opis:
This paper summarizes recent research activities on merging the geodetic, geologic and neotectonic evidence of geodynamics in Croatia. The area of the City of Zagreb, which is the boundary zone of Eastern Alps, Dinnarides and Pannonian Basin is included as well. It is shown here that the evidence for fractures of Eastern Adriatic differs from the previous hypotheses. This conclusion is derived from the results of various geodetic measurements: satellite positioning (GPS), astro-geodetic measurements of deflections of the vertical. These results are combined with geologic measurements and results of seismic activity studies in order to give more detailed and more accurate picture of the current situation in the tectonically very active region of Dinnarides. Several GPS-campaigns performed in the City of Zagreb area are examined as well. Due to the proximity of Croatian capitol, special attention has been paid to the effects of possible hazard on construction code.
Źródło:
Reports on Geodesy; 2006, z. 5/80; 285-300
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geokinematics of Central Europe: new insights from CERGOP-2/Environment Project
Autorzy:
Caporali, A.
Becker, M.
Fejes, I.
Gerhatova, L.
Ghitau, D.
Grenerczy, G.
Hefty, J.
Medac, D.
Milev, G.
Mojzes, M.
Mulic, M.
Powiązania:
https://bibliotekanauki.pl/articles/224596.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
GPS
geodezja
geodynamika w Europie Centralnej
tektonika w Europie Centralnej
naprężenia i odształcenia w Europie Środkowej
GPS Geodesy
Central European Geodynamics
Central European Tectonics
Stress and Strain in Central Europe
Opis:
The CERGOP2 project funded by the European Union from 2003 to 2006 under the 5th Framework Programme benefits from repeated measurements of the coordinates of epoch and permanent GPS stations forming the CEGRN network in Central Europe, starting 1994. We report on the results of the systematic processing of the available data up to 2005. The analysis work has yielded the velocities of some 60 sites, covering a variety of Central European tectonic provinces, from the Adria indenter to the Tauern window, the Pannonian basin, the Vrancea Seismic Zone and the Carpathian Mountains. The estimated velocities define kinematical patterns which outline, with varying spatial resolution depending on the station density and history, the present day tectonic flow in Central Europe.The CEGRN data show that the majority of active contraction originating from the Eurasia Nubia plate boundary and the microplate between them is taken up primarily in the Eastern Alps, the Dinarides, and the Pannonian Basin. After removal from the ITRF2000 velocities of a rigid rotation accounting for the mean motion of stable Europe, the residual velocities have random orientations with 0.3 mm/yr scatter. This Iow figure provides an upper estimate for the level of rigidity of the European Platform. A 2.3 mm/yr north-south oriented convergence rate is implied by our data between Adria and the Southern Alps, and a narrow - -60 km wide- contraction zone in the Southern Alps is identified, consistently with earlier results. An eastward extrusion north of the contraction zone corresponds with the extension of the Tauern Window. In the southeastern boundary of the microplate, 4-4.5 mm/yr motion of Adria decreases to -1 mm/yr through the microplate, its boundary, and the Dinarides mountain range towards the southwestern part of the Pannonian Basin. Our data suggest that if the Pannonian Basin is subject to deformation, then it is most likely to be compressional than extensional. We conclude that compression and associated contraction due to the Adria collision with the Alps and the Dinarides is likely to fade away in the Western and Northern Carpathians, where our velocities and strain rates show no significant deformation.
Źródło:
Reports on Geodesy; 2007, z. 2/83; 7-46
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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